Patents Assigned to Valenite
  • Grooving or threading tool
    Patent number: 5259709
    Abstract: An elongated grooving or threading tool has a cutting section and a rearward cemented carbide section which are held together in axial alignment by a drawbolt which extends through an axially aligned bore in the cutting section and engages the respective sections to hold the connection under compression.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: November 9, 1993
    Assignee: Valenite
    Inventor: Carl E. Hunt